Lisa Troubleshooting and Repair

CPU Error 40 during POST (MMU issue)

Started by ried

Replies: 1
Views: 44,621

March 16, 2025, 02:46:54 PM
by sigma7

Installing 800k/1.44mb Apple floppy drive

Started by Zhinu

Replies: 1
Views: 4,230

June 26, 2026, 02:47:02 PM
by sigma7

Lisa 2 video issue - vertically duplicated image with diagonal lines

Started by snua12

Replies: 1
Views: 51,549

July 08, 2025, 03:18:33 PM
by patrick

Track zero sensor of the ST-506 in a Profile

Started by pintoguy

Replies: 1
Views: 14,544

November 26, 2025, 12:26:04 PM
by pintoguy

Twiggy Digital Board Rev H1 Schematic

Started by sigma7

Replies: 1
Views: 41,787

February 13, 2025, 04:15:38 PM
by sigma7

Profile with power supply with popped capacitor

Started by paule

Replies: 1
Views: 51,411

March 24, 2023, 11:01:05 AM
by MyTechAttic

Lisa Widget Drive Repair -- Errors 81, 82, 85 and one successful boot

Started by gbrady

Replies: 1
Views: 39,398

June 18, 2024, 04:49:34 PM
by patrick

PSU and Analog board Caps

Started by Markintosh

Replies: 1
Views: 50,634

September 17, 2023, 08:58:50 PM
by sigma7

Error 82, can someone explain it in layman's terms

Started by brgl1983_00

Replies: 1
Views: 54,072

October 08, 2021, 03:08:30 AM
by patrick

Request for BlueSCSI config files

Started by bmwcyclist

Replies: 1
Views: 42,951

March 15, 2025, 12:32:51 PM
by AlexTheCat123

Restore info on CPU/IO/PSU list of caps and other parts needed.

Started by bmwcyclist

Replies: 0
Views: 35,270

March 04, 2025, 12:10:58 PM
by bmwcyclist

Track 0 sensor on hard drive mechanisms

Started by stepleton

Replies: 0
Views: 69,604

December 30, 2021, 11:14:24 AM
by stepleton

CPU board versions and revisions?

Started by bmwcyclist

Replies: 0
Views: 63,119

March 23, 2025, 06:45:06 PM
by bmwcyclist

Twiggy Springs

Started by sigma7

Replies: 0
Views: 23,558

September 28, 2025, 05:01:25 PM
by sigma7

Twiggy Analog Board Rev F1 Schematic

Started by sigma7

Replies: 0
Views: 4,022

June 21, 2026, 03:46:34 PM
by sigma7